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100251134220 = 22351670852237
BaseRepresentation
bin101110101011101101…
…1101110100100001100
3100120202200012021122010
41131113123232210030
53120303242243340
6114015453421220
710146213403146
oct1352733564414
9316680167563
10100251134220
1139575173a46
1217519a9a810
1395b885b483
144bd0553c96
15291b2e4b80
hex17576ee90c

100251134220 has 24 divisors (see below), whose sum is σ = 280703175984. Its totient is φ = 26733635776.

The previous prime is 100251134219. The next prime is 100251134233. The reversal of 100251134220 is 22431152001.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835426059 + ... + 835426178.

It is an arithmetic number, because the mean of its divisors is an integer number (11695965666).

Almost surely, 2100251134220 is an apocalyptic number.

100251134220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100251134220 is an abundant number, since it is smaller than the sum of its proper divisors (180452041764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100251134220 is a wasteful number, since it uses less digits than its factorization.

100251134220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1670852249 (or 1670852247 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 100251134220 its reverse (22431152001), we get a palindrome (122682286221).

The spelling of 100251134220 in words is "one hundred billion, two hundred fifty-one million, one hundred thirty-four thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1670852237 3341704474 5012556711 6683408948 8354261185 10025113422 16708522370 20050226844 25062783555 33417044740 50125567110 100251134220